Using the Pass By Reference Feature with a Business Service
You can use the PassByRef user property on a predefined business service. For more information, see Using the Pass By Reference Feature with a Sub Process.
To use the Pass By Reference feature with a business service
In the Object Explorer, click Business Service.
In the Business Services list, locate the predefined business service you want to modify.
You cannot use the Pass By Reference feature with a custom business service; you can use it only with a predefined business service.
In the Object Explorer, expand the Business Service object, and then click Business Service User Prop.
In the Business Service User Prop list, add a user property using values from the following table.
User Property Value PassByRef
True
Make sure the Pass By Reference check box for the business service step contains a check mark.
If you do not do this, then the Workflow Engine returns an error.